Trustscore 4.7

FiiO GIGAS 1 Desktop Headphone Amplifier, Black

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Colour: Black

Key Features

  • 9.2W balanced power drives demanding planar headphones
  • Class AB design provides smooth, natural sound
  • Dual headphone outputs give you flexible connectivity
  • Microphone passthrough makes gaming and calls more convenient
  • High and low gain suit varied headphones

FiiO GIGAS 1 Desktop Headphone Amplifier, Black Overview

View this description in German

The FiiO GIGAS 1 Desktop Headphone Amplifier is a compact, affordable solution for driving demanding planar headphones and IEMs. Its discrete Class AB circuit uses onsemi MJE243G/253G transistors to deliver up to 4600mW + 4600mW of balanced output power. This high-current design helps you get more from low-sensitivity, full-size planar headphones, while providing a smooth, natural sound.


You can connect headphones through either the 3.5mm single-ended or 4.4mm balanced output, giving you flexibility across different setups. Plus, the 3.5mm connection supports CTIA microphone passthrough for convenient gaming voice chat and calls.


For your sources, 3.5mm and RCA inputs accommodate equipment including smartphones, computers, digital audio players, and CD players. High and low gain settings also let you adapt the amplifier to different headphones and IEMs, while 5V and 12V PD power support gives you added flexibility when building your desktop listening setup.

Product Ref: 386563

Full Description

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Specifications

General

Dimensions about 152x60x40mm (excluding feet)
Weight about 210g
Power input 5V 2A (Type-C); PD 12V-2A (Type-C)
Inputs RCA jacks + 3.5mm jack
Outputs 4.4mm balanced 3.5mm single-ended, 3.5mm supports

CTIA-compliant microphone passthrough
Product Code FIIOGIGAS1-BLACK

Hardware Configuration

Headphone amplifier ON Semiconductor MJE243G*4+ MJE253G*4

Headphone Output

5V power input Balanced output power 1: L+R580mW+580mW 1320, THD+N <1%, 4.3m)

Balanced output power 2: L+R790mW-790mW 16Ω, THD+N <1%, 3.6Vrmst

Single ended output power 5:L+R170mW-170mW (520, THD+N<1%, 2.3Vms)

Single-ended output power 4: L+R280mW 280mW 160, THD+N 1%, 2.7Vrms)
PD 12V power input Balanced output power 1: L-R4600mW-4600mW (320, THD-N1%, 12.1Vms?

Balanced output power 2: L+R-3500mW+3300mW (160, 7HD + W = 156, 7.54 / r * rm )

Balanced output power 3: L+R740mW+740mW (5000, THD+N 1%, 14.9Vms)

Single-ended output power 4: L+R1400mW-1400mW (320, THD-N<1%, 6.7ms

Single-ended output power 5: L+R2200mW+2200mW (160), THD+N<1%, 5.9Vims)

Single-ended output power 6: L+R185mW+185mW (3000, ΤΗΟ-ΝΤΝ, 7.5Vrms)

Audio Specifications

Supported impedance 8-5500
Frequency response 20Hz-200kHz: attenuation < 0.4dB
SNR ≥ 118dB (A-weighted)
Noise floor < 10.6µV (A-weighted)
THD+N <0.00057% (1kHz/5dB@320)

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